import Vue from 'vue'

import Cookies from 'js-cookie'

import 'normalize.css/normalize.css' // a modern alternative to CSS resets

import Element from 'element-ui'
import './styles/element-variables.scss'

import '@/styles/index.scss' // global css

import App from './App'
import store from './store'
import router from './router'

import i18n from './lang' // internationalization
import './icons' // icon
import './permission' // permission control
import './utils/error-log' // error log

import * as filters from './filters' // global filters

/** 引入Vue CodeMirror */
import { codemirror } from 'vue-codemirror'
import 'codemirror/lib/codemirror.css'
Vue.use(codemirror)

/** 全局element-resize-detector监听DOM */
import ElementResizeDetectorMaker from "element-resize-detector"
Vue.prototype.$erd = ElementResizeDetectorMaker()

/** 把localStorage挂载到Vue实例中使用浏览器本地存储功能 */
Vue.prototype.setLocalValue = function(name, value) {
  if (window.localStorage) {
    localStorage.setItem(name, value)
  }
}
Vue.prototype.getLocalValue = function (name) {
  if (window.localStorage) {
    const value = localStorage.getItem(name)
    return (value) ? value : ''
  }
  return ''
}

/**
 * If you don't want to use mock-server
 * you want to use MockJs for mock api
 * you can execute: mockXHR()
 *
 * Currently MockJs will be used in the production environment,
 * please remove it before going online ! ! !
 */
// if (process.env.NODE_ENV === 'production') {
//   const { mockXHR } = require('../mock')
//   mockXHR()
// }

Vue.use(Element, {
  size: 'small', // Cookies.get('size') || 'medium', // set element-ui default size
  i18n: (key, value) => i18n.t(key, value)
})

// register global utility filters
Object.keys(filters).forEach(key => {
  Vue.filter(key, filters[key])
})

Vue.config.productionTip = false

Vue.prototype.openLoading = function() {
  const loading = this.$loading({           // 声明一个loading对象
    lock: true,                             // 是否锁屏
    text: '正在加载...',                     // 加载动画的文字
    spinner: 'el-icon-loading',             // 引入的loading图标
    background: 'rgba(0, 0, 0, 0.3)',       // 背景颜色
    target: '.sub-main',                    // 需要遮罩的区域
    body: true,                              
    customClass: 'mask'                     // 遮罩层新增类名
  })
  setTimeout(function () {                  // 设定定时器，超时5S后自动关闭遮罩层，避免请求失败时，遮罩层一直存在的问题
    loading.close();                        // 关闭遮罩层
  }, 5000)
  return loading;
}

new Vue({
  el: '#app',
  router,
  store,
  i18n,
  render: h => h(App)
})
